Lens; Shutter/ Agc - Grundig GCA-B3322D Owner's Manual

6.1. LENS

You can select MANUAL or AUTO mode for this function, depending on the lens type.
MANUAL:
Select this item for the manual iris lens or the fixed iris lens.

6.2. SHUTTER/ AGC

This function is used to control the light exposure. You can either select AUTO for the
auto iris lens (here you can set the shutter value and the brightness level depending on
the lighting conditions) or you can choose MANUAL for the manual iris lens (here you
can set up the electronic shutter speed and the AGC value manually).
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AUTO:
Here you can set the operation mode of the
lens and adjust the iris speed.
- TYPE [DC, VIDEO] : Please do not select
VIDEO mode. This camera has a built-in
DC Auto iris lens.
- MODE [AUTO, OPEN, CLOSE] : Choose
whether the lens iris should be controlled
automatically or be fixed to open or close.
- SPEED [000~255] : Sets the
convergence speed of the lens iris. If the
value is too high, the iris might operate
improperly.
AUTO:
Here you can set the auto exposure mode
in two different lighting conditions (HIGH
LUMINANCE for middle/high-bright lighting
conditions and LOW LUMINANCE for low-
bright lighting conditions).
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